sigmoid flexure

American  

noun

1. Zoology.  an S -shaped curve in a body part.

2. Also called sigmoid colon.  an S -shaped curve of the large intestine between the descending colon and the rectum.

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sigmoid flexure British  

noun

1. zoology an S-shaped curve, as in the necks of certain birds

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Etymology

Origin of sigmoid flexure

First recorded in 1780–90

Example Sentences

The rectum, sigmoid flexure, caecum and colon are affected, and in this order, the cylindrical-celled form being the most common.

From Project Gutenberg

These vessels or reservoirs are the stomach, duodenum, small intestines, colon, sigmoid flexure, and too often the rectum.

From Project Gutenberg

The patient died as a result of a double perforation of both cæcum and sigmoid flexure; none the less the bullet had crossed the small intestine area without inflicting any injury.

From Project Gutenberg

The colon consists of four parts, described as the ascending colon, the transverse colon, the descending colon, and the sigmoid flexure, or sigmoid colon.

From Project Gutenberg

Chapman mentions a case in which the liver was displaced by dilatation of the sigmoid flexure.

From Project Gutenberg